This book presents both, the theory and practical applications, in a lucid manner.The book comprehensively covers the architecture, programming and interfacing of Intel's MCS-8051. It also covers the ATMEL 89CXX61 & 89C51 and PIC 16C6X & 16C7X microcontrollers in detail. Several industrial applications of the above microcontrollers have been presented with details about interfacing and progamming. "